248790717

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42463}}^1$

素因数の和:42510

約数の個数: 32

約数和(自身を含む): 434831360

約数和(自身を除く): 186040643

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 42463, 127389, 297241, 382167, 891723, 1146501, 1316353, 2675169, 3949059, 8025507, 9214471, 11847177, 27643413, 35541531, 82930239, 248790717]

約数ペア:

[(1, 248790717), (3, 82930239), (7, 35541531), (9, 27643413), (21, 11847177), (27, 9214471), (31, 8025507), (63, 3949059), (93, 2675169), (189, 1316353), (217, 1146501), (279, 891723), (651, 382167), (837, 297241), (1953, 127389), (5859, 42463)]